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Use diagnostic items to check for Send, UnwindSafe and RefUnwindSafe traits

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Roxane Fruytier 2021-06-29 14:17:25 -04:00 • committed by Roxane
parent 3e569dd2df
commit 06afafd492
3 changed files with 9 additions and 7 deletions
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4
library/std/src/panic.rs
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@ -133,7 +133,7 @@ pub fn panic_any<M: 'static + Any + Send>(msg: M) -> ! {
/// [`AssertUnwindSafe`] wrapper struct can be used to force this trait to be
/// implemented for any closed over variables passed to `catch_unwind`.
#[stable(feature = "catch_unwind", since = "1.9.0")]
#[rustc_diagnostic_item = "unwind_safe_trait"]
#[cfg_attr(not(test), rustc_diagnostic_item = "unwind_safe_trait")]
#[rustc_on_unimplemented(
message = "the type `{Self}` may not be safely transferred across an unwind boundary",
label = "`{Self}` may not be safely transferred across an unwind boundary"
@ -149,7 +149,7 @@ pub auto trait UnwindSafe {}
/// This is a "helper marker trait" used to provide impl blocks for the
/// [`UnwindSafe`] trait, for more information see that documentation.
#[stable(feature = "catch_unwind", since = "1.9.0")]
#[rustc_diagnostic_item = "ref_unwind_safe_trait"]
#[cfg_attr(not(test), rustc_diagnostic_item = "ref_unwind_safe_trait")]
#[rustc_on_unimplemented(
message = "the type `{Self}` may contain interior mutability and a reference may not be safely \
transferrable across a catch_unwind boundary",